An issue was discovered in the HDF HDF5 1.8.20 library. There is a stack-based buffer over-read in the function H5F_addr_decode_len in H5Fint.c. References: https://github.com/TeamSeri0us/pocs/tree/master/hdf5
Created hdf5 tracking bugs for this issue: Affects: epel-all [bug 1601451] Affects: fedora-all [bug 1601450]